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Glossary
Abutment: The component of an implant that interfaces with the implant fixture and the prosthetic entity. Retained with a screw or can be adapted for a prosthesis to be cemented. Made of titanium, alloyed metals, gold; zirconia; ceramic. They can be preformed and come as straight or angled or custom made.Analogue: Replica of the implant fixture or the abutment which is used by the laboratory to make the prosthesis.Abutment driver: Instrument used to connect the abutment to the fixture.Abutment healing cap: A temporary cover used to protect the implant fixture head during the healing period.Abutment–implant interface: The surface of contact between the implant fixture and the abutment.Abutment-level impression: Impression of the abutment taken once the abutment is connected to the implant fixture either directly through conventional impressions or indirectly through an impression coping.Abutment Screw: The screw used to connect the abutment to the implant fixture and has different features depending if it is a single crown or a bridge. It is torqued to the final position.Allogenic bone: Bone from the same species.Alloplastic material: Material of synthetic origin that does not have human or animal origin.Anti-rotation: A feature that prevents rotational movementBarrier membrane: A material used to exclude cells from invading into the defect allowing the preferred cells to grow into the defect. When used technique is called guided bone or tissue regeneration. Membrane can be resorbable or non-resorbable. Made of collagen or synthetic derivatives which are resorbable or titanium or polytetrafluorethylene (PTFE) which are non resorbable.Bicortical stabilisation: Used when both the superior and inferior cortices of bone are used to obtain stability of the implant.Bisphosphonate-related osteonecrosis of the jaw (BRONJ): Also called medication-related necrosis, it is the necrosis of bone related to bisphosphonates.Bone to implant contact: A term used to describe the direct contact of bone to the implant.Bone to implant interface: The line of separation between the living bone and implant fixture surface.CAD-CAM: Computer-aided design computer-aided manufacture used to plan, design and construct implant restorations. It forms part of the digital workflow.Connective tissue attachment: The mechanism by which the connective tissue attaches to the implant.Countersinking: Bone preparation of the crestal aspect using special drivers to allow subcrestal (below the bone) placement of the implant shoulder.Cover screw: Fits over the implant head to protect it when the gum tissue is closed over it and the fixture is submerged.Dental
